For the past years, 62-year-old Helmi has been taking care of her demanding mother. When her mother dies, she is suddenly able to do a lot of things she has not been able to do for a very long time and she is courted by the much younger leader of her church choir.

Seija Kuula is a superstar singer and an ageless goddess with a career spanning decades and decades. Problems start to arise when Seija falls in love with a younger guy and everybody around her seem to suffer from a bad case of baby fever. Seija orchestrates a masterplan to make everyone happy only to realize that one can not play with love. 70 Is Just a Number is a warm and humorous coming-of-age story – at 70.

Visa Vuorio, a 35-year old team leader at the Helsinki city gardening department, is suffering from a terminal neurological disease and only has a few months to live. Because of this, he is a member of a therapeutical support group for people suffering from terminal diseases. Visa's life changes when a young female reporter, Hanna Manninen arrives at the support group offering to write a series of articles about Visa's life story.

The film follows Sanna, who sets out to document the countless ways there are to ruin a marriage for her doctoral thesis.